論文

• Atsuko TABUCHI, Teruaki HAYAKAWA, Shigeki KUWATA, Ryohei ISHIGE, Shinji ANDO. Photophysical Processes and Sensor Properties of Multi-colour Fluorescent Polyimides Based on ESIPT and FRET, Proc. STEPI, Vol. 12, No. 1, pp. 33-38, July 2024.
• Takaaki Yajima, Akito Katayama, Tsubasa Ito, Takuma Kawada, Kenya Yabushita, Toshihisa Yasuda, Takeshi Ohta, Takeaki Katayama, Noriyuki Utsumi, Yoshihito Kayaki, Shigeki Kuwata. Asymmetric Reductive Amination of α-Keto Acids Using Ir-Based Hydrogen Transfer Catalysts: An Access to Unprotected Unnatural α-Amino Acids, Organic Letters, American Chemical Society, Vol. 26, Issue 7, pp. 1426–1431, Feb. 2024.  公式リンク  
  
• Rikito Takashima, Daisuke Aoki, Shigeki Kuwata, HIDEYUKI OTSUKA. Ring–Chain Equilibria of Dynamic Macrocycles with a Bis(hindered amino)disulfide Linker, Polym. Chem., Vol. 61, Issue 37, pp. 4344-4351, Oct. 2023.  公式リンク  
  
• R. Watari, Takanori Itoh, Shigeki Kuwata, Yoshihito Kayaki. Alkoxide-Decorated Copper Nanoparticles on Amidine-Modified Polymers as Hydrogenation Catalysts for Enabling H2 Heterolysis, ACS Catalysis, American Chemical Society, Vol. 13, Issue 8, Page 5159–5169, Mar. 2023.  公式リンク  
  
• 田淵 敦子, 早川 晃鏡, 桑田 繁樹, 石毛 亮平, 安藤 慎治. ESIPT能を有する多色蛍光性イミド化合物及び赤色蛍光性ポリイミドの光物理過程, ポリイミド最近の進歩2022, ポリイミド研究会編, 繊維工業技術振興会, Vol. 29, June 2022.
• Asuka Matsunami, Shigeki Kuwata, Yoshihito Kayaki. Regioselective Transfer Hydrogenative Defluorination of Polyfluoroarenes Catalyzed by Bifunctional Azairidacycle, Organics, MDPI, June 2022.  公式リンク  
  
• Takuya HARADA, Shinji ANDO, Shigeki KUWATA. Redox Non-Innocence of ortho-Benzoquinone Dioximate Dianion in Ligand Exchange on Ruthenium, Eur. J. Inorg. Chem., European Chemical Societies Publishing, p. e202200293, May 2022.  公式リンク  
  
• Yoko Nambu, Yoko Yoshitake, Shohan Yanagi, Kenji Mineyama, Keisuke Tsurui, Shigeki Kuwata, Toshikazu Takata, Tadatomi Nishikubo, Ken Ishikawa. Dinaphtho[2,1-b:10,20-d]thiophenes as high refractive index materials exploiting the potential characteristics of ‘‘dynamic thiahelicenes’, Journal of Materials Chemistry C, 10, 726, Feb. 2022.
• Atsuko TABUCHI, Teruaki HAYAKAWA, Shigeki KUWATA, Ryohei ISHIGE, Shinji ANDO. Synthesis and Characterization of White-Light Luminescent End-Capped Polyimides Based on FRET and Excited State In-tramolecular Proton Transfer, Polymers (Open Access), MDPI (Multidisciplinary Digital Publishing Institute), Vol. 13, No. 22, p. 4050, Nov. 2021.  公式リンク  
  
• Naiqiang LIANG, Shigeki KUWATA, Ryohei ISHIGE, Shinji ANDO. Large-Stokes-shifted Yellow Photoluminescence Emission from an Imide and Polyimides Forming Multiple Intramolecular Hydrogen Bonds, Mater. Chem. Front., Royal Society of Chemistry, Vol. 5, No. 6, pp. 24-32, Nov. 2021.  公式リンク  
  
• Takuma Hanaoka, Yoshihiko Arao, Yoshihito Kayaki, Shigeki Kuwata, Masatoshi Kubouchi. New Approach to Recycling of Epoxy Resins Using Nitric Acid: Regeneration of Decomposed Products through Hydrogenation, ACS Sustainable Chemistry & Engineering, Vol. 9, No. 37, pp. 12520-12529, Sept. 2021.
• Atsuko TABUCHI, Teruaki HAYAKAWA, Shigeki KUWATA, Ryohei ISHIGE, Shinji ANDO. Full-Colour Solvatochromic Fluorescence Emitted from a Semi-Aromatic Imide Compound Based on ESIPT and Anion Formation, Mater. Adv. (Open Access), Vol. 5, pp. 5629 - 5638, June 2021.  公式リンク  
  
• Hitomi Nakamura, Minori Yoshida, Asuka Matsunami, Shigeki Kuwata, Yoshihito Kayaki. Oxy-Tethered Cp*Ir(III) Complex as a Competent Catalyst for Selective Dehydrogenation from Formic Acid, Chemical Communications : chem comm / the Royal Society of Chemistry, Royal Society of Chemistry, Vol. 57, No. 45, pp. 5534-5537, May 2021.  公式リンク  
  
• Kazushi Shibutani, Jun Nakai, Ketkanok Aphichartsuphapkhajorn, Yoshihito Kayaki, Shigeki Kuwata, Yoshihiko Arao, MASATOSHI KUBOUCHI. The Activation of Furfuryl Alcohol Polymerization by Oxygen and Its Enhanced Mechanical Properties, Journal of Applied Polymer Science, vol. 138, no. 17, p. e50311, May 2021.
• Yohei Kashiwame, TAKAO IKARIYA, Shigeki Kuwata. Synthesis, Structures, and Reactivities of Six-Membered C-N Chelate Protic Pyrazole Complexes of Iridium, Polyhedron, vol. 197, p. 115036, Mar. 2021.
• Takuma Hanaoka, Yoshihiko Arao, Yoshihito Kayaki, Shigeki Kuwata, Masatoshi Kubouchi. Analysis of nitric acid decomposition of epoxy resin network structures for chemical recycling, Polymer Degradation and Stability, Vol. 186, Page 109537, Feb. 2021.
• Satoshi Suzuki, Tatsuro Toda, Shigeki Kuwata. A Diazene-Bridged Diruthenium Complex with Structural Restraint Defined by Single meta-Diphosphinobenzene, Dalton Transactions, vol. 50, no. 14, pp. 4789-4795, Feb. 2021.
• 桑田繁樹. プロティックなピンサー型ビス( ピラゾリル) ピリジンおよび類縁体の配位化学, vol. 76, pp. 21-30, Nov. 2020.
• Tatsuro Toda, Shigeki Kuwata. Central N-Heterocyclic Carbene Moieties in Protic Pincer-Type Bis(pyrazole) Ligands: Perturbation on Steric and Electronic Properties of Ruthenium Center, Journal of Organometallic Chemistry, Vol. 917, Page 121270, June 2020.
• Hiromasa Tanaka, Seiji Hitaoka, Kazuki Umehara, Kazunari Yoshizawa, Shigeki Kuwata. Mechanistic Study on Catalytic Disproportionation of Hydrazine by a Protic Pincer-Type Iron Complex through Proton-Coupled Electron Transfer, European Journal of Inorganic Chemistry, No. 15-16, pp. 1472-1482, Apr. 2020.
• Koji Yamamoto, Kazuki Higuchi, Shigeki Kuwata, Yoshihiro Hayashi, Susumu Kawauchi, Toshikazu Takata. Open Clamshell Dinuclear Palladium(II) Complexes Possessing Out-of-Plane Anisotropy, Dalton Transactions, Vol. 49, No. 9, pp. 2781-2785, Feb. 2020.
• Koji Yamamoto, Kazuki Higuchi, Masahiro Ogawa, Hiromitsu Sogawa, Shigeki Kuwata, Yoshihiro Hayashi, Susumu Kawauchi, Toshikazu Takata. Macrocyclic Metal Complexes Bearing Rigid Polyaromatic Ligands: Synthesis and Catalytic Activity, Chemistry - An Asian Journal, Vol. 15, No. 3, pp. 356-359, Feb. 2020.
• Taishin Takamura, Takuya Harada, Tatsuro Furuta, Takao Ikariya, Shigeki Kuwata. Half-Sandwich Iridium Complexes Bearing a Diprotic Glyoxime Ligand: Structural Diversity Induced by Reversible Deprotonation, Chemistry - An Asian Journal, Vol. 15, No. 1, pp. 72-78, Jan. 2020.
• Nao Tsurumi, Rikito Takashima, Daisuke Aoki, Shigeki Kuwata, Hideyuki Otsuka. A Strategy toward Cyclic Topologies Based on the Dynamic Behavior of a Bis(hindered amino)disulfide Linker, Angew. Chem. Int. Ed., Vol. 59, pp. 4269-4273, Jan. 2020.  公式リンク  
  
• Surasak Seesukphronrarak, Shinichi Kawasaki, Shigeki Kuwata, Toshikazu Takata. Synthesis and Characterization of 9,9-Bis(4-hydroxyphenyl and 4-aminophenyl)dibenzofluorenes: Novel Fluorene-Based Monomers, Journal of Polymer Science Part A: Polymer Chemistry, Vol. 57, No. 24, pp. 2602-2605, Dec. 2019.
• Ryo Watari, Shigeki Kuwata, Yoshihito Kayaki. Amidines as Effective Ancillary Ligands in Copper-Catalyzed Hydrogenation of Carbon Dioxide, Chemistry Letters, 日本化学会, Vol. 49, No. 3, pp. 252-254, Dec. 2019.  公式リンク  
  
• Shoko Kamezaki, Yoshihito Kayaki, Shigeki Kuwata, Takao Ikariya. Synthesis of a Half-Sandwich Hydroxidoiridium(III) Complex Bearing a Nonprotic N-Sulfonyldiamine Ligand and Its Transformations Triggered by the Brøsted Basicity, Inorganics, MDPI, Vol. 7, No. 10, 125, Oct. 2019.  公式リンク  
  
• Kouichi Tanaka, Takashi Miki, Kunihiko Murata, Ayumi Yamaguchi, Yoshihito Kayaki, Shigeki Kuwata, Takao Ikariya, Masahito Watanabe. Reductive Amination of Ketonic Compounds Catalyzed by Cp*Ir(III) Complexes Bearing Picolinamidato Ligands, The Journal of organic chemistry, American Chemical Society, Vol. 84, No. 17, pp. 10962-10977, July 2019.
• Naoto Tashima, Satomi Ohta, Shigeki Kuwata. Metal-Ligand Cooperative C-O Bond Cleavage of Propargylic Alcohol with Protic Pyrazole Complexes of Ruthenium, Faraday Discussions, vol. 220, pp. 364-375, May 2019.
• Naoto Tashima, Taka Sawazaki, Yoshihito Kayaki, Shigeki Kuwata. A P-C Chelate, Protic 1,2-Dihydropyridin-2-ylidene Ruthenium Complex: Synthesis, Structure, and Reversible Deprotonation, Chemistry Letters, The Chemical Society of Japan, Vol. 48, No. 8, pp. 787-790, May 2019.  公式リンク  
  
• Atsuki Yoshimura, Ryo Watari, Shigeki Kuwata, Yoshihito Kayaki. Poly(ethyleneimine)s-Mediated Consecutive Hydrogenation of Carbon Dioxide to Methanol with Ru Catalysts, European Journal of Inorganic Chemistry, Wiley, Vol. 2019, No. 18, pp. 2375-2380, Apr. 2019.  公式リンク  
  
• Pavel A. Dub, Asuka Matsunami, Shigeki Kuwata, Yoshihito Kayaki. Cleavage of N-H Bond of Ammonia via Metal-Ligand Cooperation Enables Rational Design of a Conceptually New Noyori-Ikariya Catalyst, Journal of the American Chemical Society, vol. 141, no. 6, pp. 2661-2677, Feb. 2019.
• Tatsuro Toda, Satoshi Suzuki, Shigeki Kuwata. Metallo-Supramolecular Assembly of Protic Pincer-Type Complexes: Encapsulation of Dinitrogen and Carbon Disulfide into Multiproton-Responsive Diruthenium Cage, Chemical Communications, Royal Society of Chemistry, vol. 55, no. 8, pp. 1028-1031, Jan. 2019.
• Shigeki Kuwata, F. Ekkehardt Hahn. Complexes Bearing Protic N-Heterocyclic Carbene Ligands, Chemical Reviews, vol. 118, no. 19, pp. 9642-9677, Oct. 2018.
• Asuka Matsunami, Marika Ikeda, Hitomi Nakamura, Minori Yoshida, Shigeki Kuwata, Yoshihito Kayaki. Accessible Bifunctional Oxy-tethered Ruthenium(II) Catalysts for Asymmetric Transfer Hydrogenation, Organic Letters, American Chemical Society, Vol. 20, No. 17, pp. 5213-5218, Aug. 2018.  公式リンク  
  
• Asuka Matsunami, Yoshihito Kayaki, Shigeki Kuwata, TAKAO IKARIYA. Nucleophilic Aromatic Substitution in Hydrodefluorination Exemplified by Hydridoiridium(III) Complexes with Fluorinated Phenylsulfonyl-1,2-diphenylethylenediamine Ligands, Organometallics, American Chemical Society, Vol. 37, No. 12, pp. 1958-1969, June 2018.  公式リンク  
  
• 松並明日香, 桑田繁樹, 榧木啓人. 協奏機能イリジウム触媒によるギ酸からの水素発生反応と芳香族フッ素化合物の脱フッ素水素化反応—水素移動還元反応からの展開, 有機合成化学協会誌, 有機合成化学協会, Vol. 76, No. 4, pp. 315-324, Apr. 2018.  公式リンク  
  
• 桑田繁樹, 干鯛眞信. 化学と生物学の境界を乗り越え発展する窒素固定の科学, 有機合成化学協会誌, vol. 76, no. 4, pp. 346-357, Apr. 2018.
• Yoshiko Nakahara, Tatsuro Toda, Shigeki Kuwata. Iron and Ruthenium Complexes Having a Pincer-type Ligand with Two Protic Amidepyrazole Arms: Structures and Catalytic Application, Polyhedron, vol. 143, pp. 105-110, Mar. 2018.
• Yoshiko Nakahara, Tatsuro Toda, Asuka Matsunami, Yoshihito Kayaki, Shigeki Kuwata. Protic NNN and NCN Pincer-Type Ruthenium Complexes Featuring (Trifluoromethyl)pyrazole Arms: Synthesis and Application to Catalytic Hydrogen Evolution from Formic Acid, Chemistry - An Asian Journal, vol. 13, no. 1, pp. 73-80, Jan. 2018.
• Ryo Watari, Norio Matsumoto, Shigeki Kuwata, Yoshihito Kayaki. Distinct Promotive Effects of 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU) on Polymer Supports in Copper-Catalyzed Hydrogenation of C=O Bonds, ChemCatChem, Wiley, Vol. 9, No. 24, pp. 4501-4507, Nov. 2017.  公式リンク  
  
• Hoang Ngan Nguyen, Naoto Tashima, Takao Ikariya, Shigeki Kuwata. Ruthenium-Catalyzed Dimerization of 1,1-Diphenylpropargyl Alcohol to a Hydroxybenzocyclobutene and Related Reactions, Inorganics, vol. 5, no. 4, p. 80, Nov. 2017.
• Asuka Matsunami, Shigeki Kuwata, Yoshihito Kayaki. A Bifunctional Iridium Catalyst Modified for Persistent Hydrogen Generation from Formic Acid: Understanding Deactivation via Cyclometalation of a 1,2-Diphenylethylenediamine Motif, ACS Catalysis, American Chemical Society, vol. 7, no. 7, pp. 4479-4484, May 2017.
• Tatsuro Toda, Koki Saitoh, Akihiro Yoshinari, Takao Ikariya, Shigeki Kuwata. Synthesis and Structures of NCN Pincer-Type Ruthenium and Iridium Complexes Bearing Protic Pyrazole Arms Tatsuro Toda, Koki Saitoh, Akihiro Yoshinari, Takao Ikariya, and Shigeki Kuwata, Organometallics, vol. 36, no. 6, pp. 1188-1195, Mar. 2017.
• Hiroaki Yamagishi, Hiroyuki Konuma, Shigeki Kuwata. Stereoselective Synthesis of Chloride-Phosphine Ruthenium Complexes Bearing a Pyrazole-based Protic Tripodal Amine Ligand, Polyhedron, vol. 125, pp. 173-178, Feb. 2017.
• Toyokazu Tsutsuba, Hiromitsu Sogawa, Shigeki Kuwata, Toshikazu Takata. Kinetically Stabilized Aliphatic Nitrile N-Oxides as Click Agents: Synthesis, Structure, and Reactivity, Chemistry Letters, vol. 46, no. 3, pp. 315-318, Jan. 2017.
• Tatsuro Toda, Akihiro Yoshinari, Takao Ikariya, Shigeki Kuwata. Protic N-heterocyclic Carbene versus Pyrazole: Rigorous Comparison of Proton- and Electron-Donating Abilities in a Pincer-Type Framework, Chemistry A Europian Journal, Wiley, vol. 22, no. 46, pp. 16675-16683, Sept. 2016.
• Asuka Matsunami, Shigeki Kuwata, Yoshihito Kayaki. Hydrodefluorination of Fluoroarenes Using Hydrogen Transfer Catalysts with a Bifunctional Iridium/NH Moiety, ACS Catalysis, American Chemical Society, vol. 6, no. 8, pp. 5181–5185, June 2016.
• Yosuke Akae, Yasuhito Koyama, Hiromitsu Sogawa, Yoshihiro Hayashi, Susumu Kawauchi, Shigeki Kuwata, Toshikazu Takata. Structural Analysis and Inclusion Mechanism of Native and Permethylated α-Cyclodextrin-Based Rotaxanes Containing Alkylene Axles, Chemistry A Europian Journal, Wiley-VCH Verlag, vol. 22, no. 15, pp. 5335–5341, Apr. 2016.
• Hiroaki Yamagishi, Shohei Nabeya, Takao Ikariya, Shigeki Kuwata. Protic Ruthenium Tris(pyrazol-3-ylmethyl)amine Complexes Featuring a Hydrogen-Bonding Network in the Second Coordination Sphere, Inorganic Chemistry, vol. 54, no. 24, pp. 11584-11586, Nov. 2015.
• Tatsuro Toda, Shigeki Kuwata, Takao Ikariya. Synthesis and Structures of Ruthenium and Iron Complexes Bearing an Unsymmetrical Pincer-Type Ligand with Protic Pyrazole and Tertiary Aminoalkyl Arms, Zeitschrift für anorganische und allgemine Chemie, Wiley-VCH Verlag, vol. 641, no. 12-13, pp. 2135-2139, Aug. 2015.
• Zhaozhong Yi, Hitoshi Okuda, Yasuhito Koyama, Ryota Seto, Satoshi Uchida, Hiromitsu Sogawa, Shigeki Kuwata, Toshikazu Takata. Exact Helical Polymer Synthesis by Two-Point-Covalent-Linking Protocol between C2-Chiral Spirobifluorene and C2- or Cs-Symmetric Anthraquinone Monomers, Chemical Communications, Royal Society of Chemistry, vol. 51, no. 52, pp. 10423-10426, May 2015.
• Masahiro Ogawa, Masaki Nagashima, Hiromitsu Sogawa, Shigeki Kuwata, Toshikazu Takata. Synthesis and Cavity Size Effect of Pd-containing Macrocycle Catalyst for Efficient Intramolecular Hydroamination of Allylurethane, Organic Letters, American Chemical Society, vol. 17, no. 7, pp. 1664-1667, Mar. 2015.
• Akae Yosuke, Yasuhiro Koyama, Shigeki Kuwata, Toshikazu Takata. Cyclodextrin-Based Size-Complementary [3]Rotaxanes: Selective Synthesis and Specific Dissociation, Chemistry - A European Journal, Wiley, vol. 20, no. 51, pp. 17132-17136, Dec. 2014.
• Shigeki Kuwata, Takao Ikariya. Metal-Ligand Bifunctional Reactivity and Catalysis of Protic N-Heterocyclic Carbene and Pyrazole Complexes Featuring beta-NH Units, Chemical Communications, Royal Society of Chemistry, Vol. 50, No. 92, pp. 14290-14300, July 2014.
• Tatsuro Toda, Shigeki Kuwata, Takao Ikariya. Unsymmetrical Pincer-Type Ruthenium Complex Containing beta-Protic Pyrazole and N-Heterocyclic Carbene Arms: Comparison of Brønsted Acidity of NH Groups in Second Coordination Sphere, Chemistry --- A European Journal, Wiley-VCH Verlag, Vol. 20, No. 31, pp. 9539-9542, June 2014.
• Kazuki Umehara, Shigeki Kuwata, TAKAO IKARIYA. Synthesis, Structures, and Reactivities of Iron, Cobalt, and Manganese Complexes Bearing a Pincer Ligand with Two Protic Pyrazole Arms, Elsevier, Vol. 413, pp. 136-142, Mar. 2014.
• Pavel A. Dub, Hui Wang, Asuka Matsunami, Ilya D. Gridnev, Shigeki Kuwata, Takao Ikariya. C-F Bond Breaking through Aromatic Nucleophilic Substitution with a Hydroxo Ligand Mediated via Water Bifunctional Activation, Bulletin of the Chemical Society of Japan, The Chemical Society of Japan, May 2013.
• Kazuki Umehara, Shigeki Kuwata, Takao Ikariya. N-N Bond Cleavage of Hydrazines with a Multiproton-Responsive Pincer-Type Iron Complex, Journal of the American Chemical Society, American Chemical Society, vol. 135, no. 18, page 6754-6757, May 2013.
• Yohei Kashiwame, Shigeki Kuwata, Takao Ikariya. Catalytic Intramolecular Hydroamination with a Bifunctional Iridium Pyrazolato Complex: Substrate Scope and Mechanistic Elucidation, Organometallics, American Chemical Society, vol. 31, no. 23, page 8444-8455, Dec. 2012.
• Yosuke Akae, Takayuki Arai, Yasuhito Koyama, Hisashi Okamura, Kohei Johmoto, Hidehiro Uekusa, Shigeki Kuwata, Toshikazu Takata. One-pot Synthesis of Permethylated α-CD-Based Rotaxanes Having Alkylene Chain Axles and Their Structural Characteristics, Chemistry Letters, vol. 41, no. 8, pp. 806-808, Aug. 2012.
• Akihiro Yoshinari, Akira Tazawa, Shigeki Kuwata, Takao Ikariya. Synthesis, Structures, and Reactivities of Pincer-Type Ruthenium Complexes Bearing Two Proton-Responsive Pyrazole Arms, Chemistry an Asian Journal, vol. 7, no. 6, pp. 1417-1425, June 2012.
• Morio Yonekawa, Yasuhito Koyama, Shigeki Kuwata, Toshikazu Takata. Intramolecular 1,3-Dipolar Cycloaddition of Nitrile N-Oxide Accompanied by Dearomatization, Organic Letters, vol. 14, no. 4, pp. 1164-1167, Feb. 2012.
• Takashi Kimura, Koji Ishiwata, Shigeki Kuwata, Takao Ikariya. Trapping of a Doubly Unsaturated Dinuclear Iridium(II) Sulfonylimido Complex with Phosphine and Lewis Acidic Group 11 and 12 Metals, Organometallics, vol. 31, no. 3, pp. 1204-1207, Feb. 2012.
• Megumi Watanabe, Yohei Kashiwame, Shigeki Kuwata, Takao Ikariya. Synthesis, Structures, and Transfer Hydrogenation Catalysis of Bifunctional Iridium Complexes Bearing a C-N Chelate Oxime Ligand, European Journal of Inorganic Chemistry, no. 3, pp. 504-511, Jan. 2012.
• Takashi Kimura, Naoyuki Koiso, Koji Ishiwata, Shigeki Kuwata, Takao Ikariya. H-H and N-H Bond Cleavage of Dihydrogen and Ammonia with Bifunctional Parent Imido (NH)-Bridged Diiridium Complex, Journal of the American Chemical Society, American Chemical Society, Vol. 133, No. 23, pp. 8880-8883, June 2011.
• Yohei Kashiwame, Megumi Watanabe, Kenjirou Araki, Shigeki Kuwata, Takao Ikariya. Synthesis, Structure, and Proton-Transfer Reactions of Brønsted Acidic Pyridylpyrazole Complexes of Ruthenium, Bulletin of Chemical Society of Japan, The Chemical Society of Japan, Vol. 84, No. 3, Page 251-258, Mar. 2011.
• Megumi Watanabe, Youhei Kashiwame, Shigeki Kuwata, Takao Ikariya. Synthesis, Structure, and Reversible Deprotonation of a Half-Sandwich Type Iridium Complex Bearing a Chelating Oxime Ligand, Chemistry Letters, Chemical Society of Japan, vol. 39, no. 7, pp. 758-759, July 2010.
• Shoko Kamezaki, Satoshi Akiyama, Yoshihito Kayaki, Shigeki Kuwata, Takao Ikariya. Asymmetric nitrile-hydration with bifunctional ruthenium catalysts bearing chiral N-sulfonyldiamine ligands, Tetrahedron: Asymmetry, Elsevier, Vol. 21, No. 9-10, pp. 1169-1172, May 2010.
• Shigeki Kuwata, Takao Ikariya. Quest for Metal/NH Bifunctional Bioinspired Catalysis in a Dinuclear Platform, Dalton Transactions, Royal Society of Chemistry, vol. 39, no. 12, page 2984-2992, Mar. 2010.
• Yohei Kashiwame, Shigeki Kuwata, Takao Ikariya. Metal-Pyrazole Bifunction in Half-Sandwich C-N Chelate Iridium Complexes: Pyrazole-Pyrazolato Interconversion and Application to Catalytic Intramolecular Hydroamination of Aminoalkene, Chem. Eur. J., Wiley-VCH, vol. 16, no. 3, page 766-770, Feb. 2010.
• Koji Ishiwata, Shigeki Kuwata, Takao Ikariya. Hydrogen- and Oxygen-Driven Interconversion between Sulfonylimido-Bridged Dirhodium(III) and Amido-Bridged Dirhodium(II) Complexes, J. Am. Chem. Soc., American Chemical Society, Vol. 131, No. 13, 5001–5009, Apr. 2009.
• Takashi Kimura, Hiroko Arita, Koji Ishiwata, Shigeki Kuwata, Takao Ikariya. Synthesis of Parent Amido (NH2)-Bridged Dinuclear Complexes of Ruthenium and Iridium by Stepwise Transfer Hydrogenation of μ-Azido Complexes, Dalton Transactions, Royal Society of Chemistry, no. 16, p. 2912–2914, Apr. 2009.
• Kenjirou Araki, Shigeki Kuwata, Takao Ikariya. Isolation and Interconversion of Protic N-Heterocyclic Carbene and Imidazolyl Complexes: Application to Catalytic Dehydrative Condensation of N-(2-Pyridyl)benzimidazole and Allyl Alcohol, Organometallics, American Chemical Society, vol. 27, no. 10, page 2176–2178, June 2008.
• Kazuya Arashiba, Shoji Matsukawa, Yoshiaki Tanabe, Shigeki Kuwata, Youichi Ishii. Synthesis and Diastereoselective Ligand Substitution Reaction of a Mono(sulfido)-Bridged Ir–Mo Heterodinuclear Complex, Inorg. Chem. Commun., Elsevier, vol. 11, no. 5, page 587–590, May 2008.
• Kazuya Arashiba, Hidetaka Iizuka, Shoji Matsukawa, Shigeki Kuwata, Yoshiaki Tanabe, Masakazu Iwasaki, Youichi Ishii. Synthesis, Structures, and Properties of Group 9– and Group 10–Group 6 Heterodinuclear Nitrosyl Complexes, Inorg. Chem., American Chemical Society, vol. 47, no. 10, page 4264–4274, May 2008.
• Kazuko Nakazono, Shigeki Kuwata, Toshikazu Takata. Crown Ether–tert-Ammonium Salt Complex Fixed as Rotaxane and Its Derivation to Nonionic Rotaxane, Tetrahedron Lett., Elsevier, vol. 49, no. 15, pp. 2397-2401, Apr. 2008.
• Hiroko Arita, Koji Ishiwata, Shigeki Kuwata, Takao Ikariya. Acid–Base Bifunction and Umpolung of Bridging Hydride in Coordinatively Unsaturated Mesylimido- and Hydrido-Bridged Diiridium Complex, Organometallics, vol. 27, pp. 493–496, Feb. 2008.
• Shigeki KUWATA, Satoshi KURA, Takao IKARIYA. Hydrogenation of Cyclohexene Catalyzed by Ruthenium Nitrosyl Complexes: Crystal Structures of Catalyst Precursors [Cp*Ru(μ2-NO)2RuCp*] and [Cp*Ru(NO)(η2-C6H10)] (Cp* = η5-C5(CH3)5), Polyhedron, vol. 26, pp. 4659–4663, Oct. 2007.
• Koji Ishiwata, Shigeki Kuwata, Takao Ikariya. Silylenediamido [(CH3)2Si(NTs)22–; Ts = p-CH3C6H4SO2] Complexes of Iridium: Synthesis, Structures and Facile Si–N Bond Cleavage, Dalton Transactions, pp. 3606–3608, Oct. 2007.
• Koji Ishiwata, Shigeki Kuwata, Takao Ikariya. A Sulfonylimido-Bridged Coordinatively Unsaturated Diiridium Complex: Intramolecular C－H Bond Activation Promoted by a Weak Acid, Organometallics, Vol. 25, pp. 5847-5849, Dec. 2006.
• T. Saito, T. Ikariya, Shigeki Kuwata. Synthesis and Reactivity of tris(7-azaindolyl)boratoruthenium Complex. Comparison with Poly(methimazolyl)borate Analogue., Chem. Lett., Vol. 35, pp. 1224－1225, 2006.
• Kazuya Arashiba, Shoji Matsukawa, Shigeki Kuwata, Yoshiaki Tanabe, Masakazu Iwasaki, Youichi Ishii. Electrophilic O-Methylation of a Terminal Nitrosyl Ligand Attained by an Early－Late Heterobimetallic Effect, Organometallics, Vol. 25, pp. 560-562, 2006.
• Yoshiaki Kokubo, Aiko Hasegawa, Shigeki Kuwata, Kazuaki Ishihara, Hisashi Yamamoto, Takao Ikariya. Synthesis of (all-rac)-α-Tocopherol in Supercritical Carbon Dioxide: Tuning of the Product Selectivity in Batch and Continuous-Flow Reactors, Advances in Synthesis & Catalysis, Vol. 347, pp. 220-224, 2005.
• Hidenobu Kajitani, Yoshiaki Tanabe, Shigeki Kuwata, Masakazu Iwasaki, Youichi Ishii. A Cyanamido-Bridged Diiridium Complex: A Reactive Building Block for Polynuclear Cyanamido Complex, Vol. 24, pp. 2251-2254, 2005.
• Satoshi Kura, Shigeki Kuwata, Takao Ikariya. N-Methylhydroxylamido(1－)- and Nitrosomethaneruthenium Complexes Derived from Nitrosyl Complexes: Reversible N-Protonation of an N-Coordinated Nitrosoalkane, Angewandte Chemie, International Edition, Vol. 44, pp. 6406－6409, 2005.
• Sou Kamimura, Tsukasa Matsunaga, Shigeki Kuwata, Masakazu Iwasaki, Youichi Ishii. Synthesis, Structures, and Solution Behavior of Di- and Trinuclear Titanium(IV)－ Cyclophosphato Complexes, Inorganic Chemistry, Vol. 43, pp. 6127-6129, 2004.
• Sou Kamimura, Shigeki Kuwata, Masakazu Iwasaki, Youichi Ishii. Synthesis and Characterization of Cyclotetraphosphato Complexes of Rh(I), Ir(I), Ru(II), and Pd(II), Inorganic Chemistry, Vol. 43, pp. 399-401, 2004.
• Takanori Hattori, Shoji Matsukawa, Shigeki Kuwata, Youichi Ishii, Masanobu Hidai. Mono(sulfido)-Bridged Unsymmetrical Nitrosyl Complex: Protonation and Oxidative Addition of Iodine across the Ir(II)-Ir(0) Bond, Chemical Communications, pp. 510, 2003.
• Yoshiaki Tanabe, Shigeki Kuwata, Youichi Ishii. Synthesis and Skeletal Transformations of NCNH- and NCN-Bridged Tetrairidium(III) Cages, Journal of the American Chemical Society, Vol. 124, pp. 6528, 2002.
• Shigeki Kuwata, Tatsuya Nagano, Akihiro Matsubayashi, Youichi Ishii, Masanobu Hidai. Sulfur-Bridged Early-Late Heterobimetallics Synthesized by Incorporation of Titanium, Vanadium, and Molybdenum into Bis(hydrosulfido) Templates of Group 9 Metals, Inorganic Chemistry, Vol. 41, pp. 4324, 2002.
• Shoji Matsukawa, Shigeki Kuwata, Youichi Ishii, Masanobu Hidai. Coordination Behaviour of (Diaryl Disulfide)-Bridged Dinuclear Thiairidaindan Cores: Ligand Substitution by Isocyanides, CO, Hydrazines, and Hydroxylamine, and Related Reactions, Journal of Chemical Society, Dalton Transactions, pp. 2737, 2002.
• Shigeki Kuwata, Tatsuya Nagano, Akihiro Matsubayashi, Youichi Ishii, Masanobu Hidai. Synthesis of TiRu₂ Heterobimetallic and TiRuM (M = Rh, Ir, Pd, Pt) Heterotrimetallic Sulfido Clusters from a Hydrosulfido-Bridged Titanium-Ruthenium Complex, Inorganic Chemistry, Vol. 40, pp. 2034, 2001.
• Shigeki Kuwata. Syntheses, Structures, and Reactivities of Heterobimetallic Bridging Dinitrogen Complexes Containing Group 6 and Group 4 or 5 Transition Metals, Organometallics, Vol. 20, pp. 188, 2001.
• Shigeki Kuwata, Masanobu Hidai. Hydrosulfido Complexes of Transition Metals, Coordination Chemistry Reviews, Vol. 213, pp. 211, 2001.
• Shigeki Kuwata. A Ti₂Ru₂Pd₂ Oxo-Sulfido Cluster Synthesized by Linking Two Rationally Preorganized TiRuPdS₂ Heterotrimetallic Units with an Oxo Ligand: Its Reaction with an Alkyne, Journal of the American Chemical Society, Vol. 123, pp. 3826, 2001.
• 五十田智丈, 溝部裕司, 桑田繁樹, 干鯛眞信. 貴金属を含む三核およびキュバン型四核混合金属－スルフィドクラスターの合理的合成法の開発, 日本化学会誌, pp. 493, 2001.
• Shigeki Kuwata. Synthesis, Structure, and Reactivities of the Five-Coordinate Molybdenum(0) Mono(acetylene) Complex [Mo(HCCH)(dppe)₂], Organometallics, Vol. 20, pp. 13, 2001.
• Shigeki Kuwata. Synthesis and Reactivities of Cubane-Type Sulfido Clusters Containing Noble Metals, Accounts of Chemical Research, Vol. 33, pp. 46, 2000.
• Shigeki Kuwata. Syntheses, Structures, and Reactivities of Mono- and Dinuclear Iridium Thiolato Complexes Containing Nitrosyl Ligands, Inorganic Chemistry, Vol. 39, pp. 791, 2000.
• Shigeki Kuwata. Synthesis and Structures of 1,1'-Ferrocenedithiolato-Bridged Di- and Trinuclear Ruthenium Complexes, Organometallics, Vol. 19, pp. 3249, 2000.
• Shigeki Kuwata. Reactions of Cationic Dirhodium and Diiridium Complexes [Cp*M(mu-Cl)(mu-SPri)₂MCp*][OTf] (M = Rh, Ir) with Terminal Alkynes. Comparison with the Diruthenium System, Journal of Organometallic Chemistry, Vol. 599, pp. 221, 2000.
• Shigeki Kuwata. Sulfido-Bridged Titanium-Iridium Heterobimetallic Complexes Derived from an Iridium Hydrosulfido Complex, Organometallics, Vol. 19, pp. 4176, 2000.
• Shigeki Kuwata. Syntheses of Mixed-Metal M₂Ti₂S₄ Cubane-Type Sulfido Clusters (M = Ru, Rh, Ir, Cu) from a Dinuclear Organometallic Thiotitanate Anion, Chemical Communications, pp. 711, 1999.
• Shigeki Kuwata. Electron-Deficient Early-Late Heterobimetallic Sulfido Clusters. Unusual Reactivities of Ti₂Ru₂S₄ Cubane-Type Clusters with Four Cyclopentadienyl Coligands, Journal of the American Chemical Society, Vol. 121, pp. 7837, 1999.
• Shigeki Kuwata. Syntheses and Structures of Mixed-Metal Sulfido Clusters Containing Trimetallic M2M'S4 (M = Mo, W; M' = Pd, Pt) and Tetrametallic Cubane-Type Mo2Pd2S4 Cores , Inorganic Chemistry, Vol. 37, pp. 5793, 1998.
• Shigeki Kuwata. Hydrosulfido-Bridged Titanium-Ruthenium Heterobimetallic Complex: Stepwise Construction of Ti2Ru2S4 Cubane-Type Sulfido Cluster , Chemistry Letters, pp. 885, 1998.
• Shigeki Kuwata. Synthesis of Heterobimetallic Fe-M (M = Ni, Pd, Pt) Complexes Containing the 1,1'-Ferrocenedithiolato Ligand and Their Conversion to Trinuclear Complexes, Inorganic Chemistry, Vol. 37, pp. 6428, 1998.
• Shigeki Kuwata. Reactions of Iridium and Ruthenium Arenethiolato Complexes with Propylene Sulfide. X-ray Structures of 1-Arylthio-2-propanethiolato-S,S' Iridium and Ruthenium Complexes , Inorganic Chemistry Communications, Vol. 1, pp. 368, 1998.
• Shigeki Kuwata. Metal-Metal Bonding in Pentanuclear Bow-Tie Metal Sulfido Clusters. Synthetic and Structural Studies on the Cationic Pentanuclear Clusters [(Cp*Ir)2(m3-S)2M(m3-S)2(IrCp*)2]n+ (M = Fe, Co, Ni; n = 1, 2) , Inorganic Chemistry, Vol. 37, pp. 4909, 1998.
• Shigeki Kuwata. Structural Diversity of Tetranuclear Tungsten Sulfide Clusters: Syntheses and Crystal Structures of Clusters Containing Raft-Type W4(m3-S)2(m-S)4 and Tetrahedral W4(m-S)6 Cores , Journal of Chemical Society, Dalton Transactions, pp. 1753, 1997.
• Shigeki Kuwata. Preparation and Properties of Diruthenium Complexes with Bridging Disulfide and Thiolate Ligands [Cp*Ru(m-S2)(m-SR)2RuCp*] (Cp* = h5-C5Me5; R = Pri and PhCH2) , Journal of Organometallic Chemistry, Vol. 513, pp. 231, 1996.
• Shigeki Kuwata. Syntheses of Tetranuclear Tungsten Sulfide Clusters with Raft-Type and Tetrahedral Core Structures , Journal of Chemical Society, Chemical Communications, pp. 1057, 1995.
• Shigeki Kuwata. Catalytic N-N Bond Cleavage of Hydrazines at the Coordinatively Unsaturated Diruthenium Center in [Cp*Ru(m-SR)2RuCp*] (Cp* = h5-C5Me5; R = Pri, 2,6-Me2C6H3) and Isolation of m-Phenyldiazene Complexes [Cp*Ru(m-PhN=NH)(m-SR)2RuCp*] , Inorganic Chemistry, Vol. 33, pp. 3619, 1994.
• Shigeki Kuwata. Reactions of a Diruthenium Complex Bridged by Disulfide and Thiolate Ligands with Zero-Valent Noble Metal Complexes. Syntheses of Mixed Metal-Sulfide-Thiolate Clusters Containing Trinuclear PtRu2 and Tetranuclear Pd2Ru2 Cores, Journal of the American Chemical Society, Vol. 115, pp. 8499, 1993.

著書

• Shigeki Kuwata. Design of Multiproton-Responsive Metal Complexes as Molecular Technology for Transformation of Small Molecules, Molecular Technology: Energy Innovation, Wiley-VCH, vol. 1, pp. 81-103, June 2018.

国際会議発表 (査読有り)

• Shigeki Kuwata. Synthesis, Structures, and Reactions of Protic Pincer-Type and Related Complexes of Ruthenium, Iridium, and Iron, 28th Internationational Conference on Organometallic Chemistry, July 2018.
• TAKAO IKARIYA, Shigeki Kuwata, Yoshihito Kayaki. Aerobic Oxidation with Bifunctional Molecular Catalysts, 15th International Conference on Organometallic Chemistry Directed Towards Organic Synthesis (OMCOS-15), Pure and Applied Chemistry, IUPAC, vol. 82, no. 7, pp. 1471-1483, July 2010.
• Sou Kamimura, Shigeki Kuwata, Masakazu Iwasaki, Youichi Ishii. Syntheses, Structures and Solution Behaviour of Cyclotriphosphato Complexes of Pd(II), Pt(II) and Pt(IV), Journal of Chemical Society, Dalton Transactions, pp. 2666, 2003.
• Akihiro Matsubayashi, Shigeki Kuwata, Youichi Ishii, Masanobu Hidai. Sulfido-Bridged IrRh₂ Clusters Derived from (Hydrogensulfido)iridium Complexes and Dirhodium Fragment. Comparison between Hydrido-Hydrogensulfido and Bis(hydrogensulfido) Systems, Chemistry Letters, pp. 460, 2002.
• Shigeki Kuwata, Kohjiro Hashizume, Yasushi Mizobe, Masanobu Hidai. Structures and Reactivities of Palladium-Ruthenium Mixed-Metal Sulfido Clusters Derived from Disulfido- or Hydrosulfido-Bridged Diruthenium Complexes, Organometallics, Vol. 21, pp. 5401, 2002.
• Shigeki Kuwata. Crossed Condensation of Two Different Hydrosulfido-Bridged Dinuclear Complexes: Structures and Reactivities of TiRu₃S₄ Cubane-Type Sulfido Clusters, Angewandte Chemie, International Edition, Vol. 39, pp. 1128, 2000.
• Shigeki Kuwata. Syntheses and Structures of Mixed-Metal Sulfido Clusters Containing Incomplete Cubane-Type M2M'S4 and Cubane-Type M2M'2S4 Cores (M = Mo, W; M' = Rh, Ir), Inorganic Chemistry, Vol. 38, pp. 64, 1999.
• Shigeki Kuwata. Structures and Reactivities of Diruthenium Dithiolene Complexes and Triruthenium Sulfido Clusters Derived from a Hydrosulfido-Bridged Diruthenium Complex, Organometallics, Vol. 17, pp. 3429, 1998.

国内会議発表 (査読有り)

• 桑田繁樹. プロトンと電子を動かす分子技術と触媒の創製, 日本化学会第98春季年会, Mar. 2018.

国際会議発表 (査読なし・不明)

• Atsuko TABUCHI, Teruaki HAYAKAWA, Shigeki KUWATA, Ryohei ISHIGE, Shinji ANDO. Photophysical Processes and Sensor Properties of a Multicolor Fluorescent Polyimide with ESIPT Ability, STEPI-12, STEPI-12, Vol. 12, No. 1, June 2023.
• Atsuko TABUCHI, Teruaki HAYAKAWA, Shigeki KUWATA, Ryohei ISHIGE, Shinji ANDO. Synthesis and Photophysical Processes of a Tosyl-substituted ESIPT Phthalimide that Emits Full-color Fluorescence in Solution, 12th Multidisciplinary International Student Workshop 2019, 12th Multidisciplinary International Student Workshop 2019, Vol. 12, No. 1, Aug. 2021.
• Shigeki Kuwata. Synthesis and Catalysis of Protic Pincer-Type Complexes of Ruthenium and Iron, 43rd International Conference on Coordination Chemistry, July 2018.
• Shigeki Kuwata. Synthesis and reactions of multiproton-responsive complexes bearing poly(pyrazole)-type ligands, The International Chemical Congress of Pacific Basin Societies 2015 (Pacifichem2015), Dec. 2015.  公式リンク  
  
• Shigeki Kuwata, Yohei Kashiwame, Megumi Watanabe, Takao Ikariya. Synthesis and Reactivitites of Noble Metal Complexes Bearing Protic beta-NH and OH Groups, The 24th International Conference on Organometallic Chemistry, July 2010.

国内会議発表 (査読なし・不明)

• 田淵 敦子, 早川 晃鏡, 桑田 繁樹, 石毛 亮平, 安藤 慎治. ESIPT能を有する多色蛍光性ポリイミドの波長変換と環境センサー特性, 高分子学会, 高分子学会予稿集, Vol. 71, No. 2, p. 2N09, Sept. 2022.
• 田淵 敦子, 早川 晃鏡, 桑田繁樹, 石毛亮平, 安藤慎治. ESIPT能を有する多色蛍光性イミド化合物及び赤色蛍光性ポリイミドの光物理過程, 日本ポリイミド・芳香族系高分子会議, 日本ポリイミド・芳香族系高分子会議要旨集, 日本ポリイミド・芳香族系高分子会議, Vol. 29, Dec. 2021.
• Atsuko TABUCHI, Teruaki HAYAKAWA, Shigeki KUWATA, Ryohei ISHIGE, Shinji ANDO. Novel Phthalimide Compound Having Proton-Transfer Ability and Exhibiting Full Coloured Fluorescence in the Visible Region under UV Irradiation, 高分子学会, 高分子学会予稿集, 高分子学会, Vol. 70, No. 2, p. 1ESA10, Sept. 2021.
• 田淵 敦子, 早川 晃鏡, 桑田繁樹, 石毛亮平, 安藤慎治. 溶媒及び励起波長に依存して可視全域の蛍光発光を示す新規イミド化合物の合成とその光物理過程, 光化学若手の会, 光化学若手の会要旨集, Vol. 42, p. P09, June 2021.
• 花岡拓磨, 荒尾与史彦, 榧木啓人, 桑田繁樹, 久保内昌敏. エポキシ樹脂の硝酸分解とリサイクル樹脂への応用, 第9回JACI/GSCシンポジウム, 第9回JACI/GSCシンポジウム 予稿集, C-15, June 2020.
• 花岡拓磨, 荒尾与史彦, 桑田繁樹, 久保内昌敏. エポキシ樹脂リサイクルを指向した各種樹脂骨格に対する硝酸分解挙動の解析, 第8回高分子学会グリーンケミストリー(GC)研究会シンポジウム 第22回プラスチックリサイクル化学研究会(FSRJ)研究討論会 合同発表会, 第8回高分子学会グリーンケミストリー(GC)研究会シンポジウム 第22回プラスチックリサイクル化学研究会(FSRJ)研究討論会 合同発表会 予稿集, p. 4, Aug. 2019.
• 花岡拓磨, 荒尾与史彦, 桑田繁樹, 久保内昌敏. ケミカルリサイクルに向けたエポキシ樹脂の化学構造に対する硝酸分解挙動の解析, マテリアルライフ学会第30回研究発表会，特別講演会, マテリアルライフ学会第30回研究発表会，特別講演会 予稿集, マテリアルライフ学会, pp. 89-90, July 2019.
• 桑田繁樹. プロトンと電子移動を制御する分子技術に基づいた新機能触媒の創製, 第７回CSJ化学フェスタ, Oct. 2017.
• 桑田繁樹. 生物に学ぶ窒素固定の科学, 第52回天然物談話会, July 2017.

その他の論文・著書など

• Shigeki Kuwata, Takao Ikariya. beta-Protic Pyrazole and N-Heterocyclic Carbene Complexes: Synthesis, Properties, and Metal-Ligand Bifunctional Catalysis, Chemistry -A European Journal, Wiley-VCH, Vol. 17, No. 13, Page 3542-3556, Mar. 2011.
• 桑田繁樹. 遷移金属と窒素が織りなす「アザメタリクス」の化学, 化学と工業 = Chemistry and chemical industry, Vol. 63, No. 7, pp. 576, July 2010.

学位論文

• 架橋硫黄配位子を有する遷移金属多核錯体の合成と反応,  本文,  Doctor of Engineering,  The University of Tokyo,  1997/--/--, 

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